Clue #2 About Episode #3

Here's a two-part photo clue about what's in store with the 3rd episode of City Science Kids!

Any ideas what these might be?

They're responsible for making these holes. In wood. In the wood of  a ship.

Here Comes A Clue!

What was City Science Kids doing down at the South Street Seaport? Hint: it does have something to do with a ship...although it's probably not what you're thinking!

Stay tuned as we bring you more clues, and Episode #3!